Professional engineering for rear, side-return, and wrap-around extensions on properties throughout the London Borough of Lewisham.
Structural Design for Lewisham House Extensions
We provide specialist structural engineering for all types of house extensions in Lewisham. From classic Victorian side-returns in Brockley to modern wrap-around additions in Forest Hill, our focus is on creating designs that are safe, efficient, and buildable. We work with your architect to integrate the structural elements seamlessly, ensuring your new space is both functional and compliant with Lewisham Council's Building Regulations, considering local ground conditions and property types.
Local Challenges
House Extensions in Lewisham
Extending homes in Lewisham often involves navigating challenges specific to the local housing stock. Many Victorian terraces have shallow foundations and shared party walls, requiring careful design to avoid disruption to neighbours. The hilly terrain in areas like Honor Oak and Sydenham can necessitate stepped foundations or retaining structures. We have extensive experience addressing these issues, providing detailed designs that give your builder clarity and satisfy the requirements of Lewisham's building control department.
What You Get
- Full structural calculation package
- Detailed drawings (plans, sections, details)
- Foundation design and specifications
- Steel beam and column design
- Roof structure design
- Party Wall Act advice notes
Tailored Pricing
Request a Fee Proposal
Every project is unique. Share your drawings with us and receive a detailed fee proposal tailored to your house extensions project in Lewisham.
Recent Project
Forest Hill, SE23, Lewisham
We engineered a large wrap-around extension for a Victorian semi-detached house, creating a vast open-plan kitchen and dining area. The design included a complex steel box frame to support the original two-storey rear addition and a carefully designed foundation system to accommodate a large tree subject to a TPO.
Common Questions
House Extensions in Lewisham — FAQ
Ready to Engineer Your Project?
Get a bespoke consultation with a structural engineer who specialises in house extensions in Lewisham.